Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac kieu hoi snippets" » "cach tieu hoi snippets", "cac yeu hoi snippets", "tac kiem hoi snippets", "cac kieu hoa snippets", "cac khien hoi snippets", "cac kieu cuoi 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: (((("cac kieu 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: (((("cac kieu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac kieu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac kieu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.