Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau hoc chi snippets" » "phau hoc chi snippets", "chat hoc chi snippets", "cau hoc chi snippets", "chau hoc chia snippets", "chau hoc cho snippets", "chau hoc chu 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: (((("chau hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chau hoc chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau hoc chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.