Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat qua du snippets" » "chat qua code snippets", "chat cua du snippets", "nhat qua du snippets", "chat lua du snippets", "chat qua dau snippets", "chat qua su snippets", "chat qua cu 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: (((("chat qua du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat qua du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat qua du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat qua du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.