Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh can cac snippets" » "minh can cac snippets", "kinh van cac snippets", "tinh can cac snippets", "kinh ca cac snippets", "kinh can cau snippets", "kinh can tac 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: (((("kinh can cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh can cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh can cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh can cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.