Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha cham hoi snippets" » "phap nham hoi snippets", "phap chat hoi snippets", "khoa cham hoi snippets", "pha cham voi snippets", "pha cham h'roi snippets", "pha 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: (((("pha 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: (((("pha cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.