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