Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truan moi ke snippets" » "truan doi ke snippets", "truong moi ke snippets", "tren moi ke snippets", "truan moi ve snippets", "truan mot ke 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: (((("truan moi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truan moi ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truan moi ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truan moi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.