Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi tinh cao snippets" » "thi tinh code snippets", "thai tinh cao snippets", "thi trinh cao snippets", "thi thinh cao snippets", "thi tinh lao snippets", "thi tinh chat snippets", "thi tinh cach 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: (((("thi tinh cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tinh cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi tinh cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tinh cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.