Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao mon voi snippets" » "hat mon voi snippets", "hau mon voi snippets", "ho mon voi snippets", "hao moi voi snippets", "hao dong voi snippets", "hao minh voi 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: (((("hao mon 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: (((("hao mon voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao mon voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao mon voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.