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