Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha suc choi snippets" » "pha su choi snippets", "pha suc phoi snippets", "pha suc khoe snippets", "phan suc choi snippets", "pham duc choi snippets", "pham cuc choi 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: (((("pha suc choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha suc choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha suc choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha suc choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.