Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu chan voi snippets" » "chu han voi snippets", "chua chay voi snippets", "chu van voi snippets", "chu cham voi snippets", "chu than voi snippets", "chu chan nuoi 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: (((("chu chan voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu chan voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu chan voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu chan voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.