Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do thoi cau snippets" » "do thoi code snippets", "do hoi cau snippets", "do thong cau snippets", "do thoai cac snippets", "dao thoi cau snippets", "doi thoi cau snippets", "do thi cau 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: (((("do thoi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do thoi cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( do thoi cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do thoi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.