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