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