Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru tinh chu snippets" » "trieu tinh chu snippets", "cuu tinh chu snippets", "tru trinh chu snippets", "tru tinh chua snippets", "tru tinh phu 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: (((("tru tinh chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tru tinh chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru tinh chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru tinh chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.