Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap voi cua snippets" » "cap phoi cua snippets", "cham voi cua snippets", "giap voi cua snippets", "cap hoi cua snippets", "cap doi cua snippets", "cap moi cua snippets"
"locating bug code snippets" » "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 voi cua 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 voi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap voi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap voi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.