Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chieu day do snippets" » "chieu day code snippets", "chien dau do snippets", "chieu cao do snippets", "hieu dac do snippets", "chieu day doc snippets", "chieu dao do snippets", "chieu day du 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: (((("chieu day do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chieu day do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chieu day do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu day do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.