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