Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than luc cao snippets" » "than luc code snippets", "nhan luc cao snippets", "than duc cao snippets", "thanh luu cao snippets", "than luc cho snippets", "than luc canh snippets", "than quoc cao 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: (((("than luc 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: (((("than luc cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( than luc cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than luc cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.