Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vu hai chi snippets" » "vu thai chi snippets", "vu tai chi snippets", "vu hai thi snippets", "su hai chi snippets", "vu ha chi 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: (((("vu hai 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: (((("vu hai chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vu hai chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vu hai chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.