Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat cua phe snippets" » "chat cua code snippets", "nhat cua phe snippets", "chat va phe snippets", "chat huu phe snippets", "chat ca phe snippets", "chat cua che snippets", "chat cua he 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 cua phe 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 cua phe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat cua phe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat cua phe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.