Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chuc tra cau snippets" » "chuc tra code snippets", "chuc toa cau snippets", "chuc va cau snippets", "chuc thi cau snippets", "chuc tra sau snippets", "chuc ta cau snippets", "chuc tra cuu 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: (((("python using java snippets") or ("chuc tra cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("chuc tra cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( chuc tra cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("chuc tra cau snippets"))) or ("locating bug core snippets"))*.