Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan qua cham snippets" » "dan qua code snippets", "dan qua hai snippets", "dan qua cac snippets", "dan va cham snippets", "dan quan cham snippets", "danh qua cham snippets", "dan quy cham 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: (((("dan qua cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan qua cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan qua cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan qua cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.