Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cap quoc ban snippets" » "cap nuoc ban snippets", "cac quoc ban snippets", "cao quoc ban snippets", "cap quoc bao snippets", "cap quoc lan snippets", "cap quoc quan snippets", "cap quoc ban slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cap quoc ban snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap quoc ban snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap quoc ban snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap quoc ban snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.