Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc hanh chi snippets" » "hoc nhanh chi snippets", "hoc thanh chi snippets", "hoc anh chi snippets", "hoc banh chi snippets", "hoc danh chi snippets", "hoc hanh che 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: (((("hoc hanh 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: (((("hoc hanh chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc hanh chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc hanh chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.