Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim tham chi snippets" » "tham tham chi snippets", "tieu tham chi snippets", "tinh tham chi snippets", "tim pham chi snippets", "tim thai chi snippets", "tim nam chi 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: (((("tim tham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim tham chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim tham chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim tham chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.