Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap cho con snippets" » "tap co con snippets", "cap cho con snippets", "tap chi con snippets", "tap cho cong snippets", "tap cho lon snippets", "tap cho can 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: (((("tap cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap cho con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap cho con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.