Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan thi cau snippets" » "dan thi code snippets", "dang thi cau snippets", "tran thi cau snippets", "dinh thi cau snippets", "dan thi chau snippets", "dan thi cu snippets", "dan thi cam 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 ("dan thi 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 ("dan thi cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan thi cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan thi cau snippets"))) or ("locating bug core snippets"))*.