Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan dung cam snippets" » "dan dung code snippets", "van dung cam snippets", "tin dung cam snippets", "ap dung cam snippets", "dan dung lam snippets", "dan dung cac snippets", "dan dung nam 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 dung cam 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 dung cam snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan dung cam snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan dung cam snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.