Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc can mot snippets" » "hoc dan mot snippets", "hoc cao mot snippets", "hoc cac mot snippets", "hoc can moi snippets", "hoc han mot snippets", "hoc hanh mot 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 can mot 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 can mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc can mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc can mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.