Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham va cha snippets" » "pham van cha snippets", "pham ma cha snippets", "pham tai cha snippets", "pham va cham snippets", "pham va chat snippets", "pham va chan 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: (((("pham va cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham va cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham va cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham va cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.