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