Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hue tu cham snippets" » "hue toc cham snippets", "hue thi cham snippets", "hue vu cham snippets", "huu tu cham snippets", "thue thu cham 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: (((("hue tu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hue tu cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hue tu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hue tu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.