Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cua dat ngoc snippets" » "cua dat nuoc snippets", "cua dau ngoc snippets", "cua dang ngoc snippets", "cua dan ngoc snippets", "cua vat ngoc snippets", "cua dai ngoc 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: (((("cua dat ngoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dat ngoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua dat ngoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dat ngoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.