Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan cham hoi snippets" » "tam cham hoi snippets", "trang cham hoi snippets", "thanh cham hoi snippets", "tan cham voi snippets", "tan cham h'roi snippets", "tan pham hoai 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: (((("tan cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.