Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua voi so snippets" » "chua noi so snippets", "cua vi so snippets", "chua o so snippets", "chua voi ho snippets", "chua hoi so 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: (((("chua voi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua voi so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua voi so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua voi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.