Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang va hoi snippets" » "giang van hoi snippets", "gian va hoi snippets", "giang ve hoi snippets", "giang xa hoi snippets", "giang va hoc snippets", "giang va hoa 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: (((("giang va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang va hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.