Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim anh do snippets" » "kim thanh do snippets", "kim bang do snippets", "kim anh doc snippets", "kim anh d snippets", "kim anh co 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: (((("kim anh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim anh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim anh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim anh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.