Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chieu de cac snippets" » "chieu de code snippets", "chieu ke cac snippets", "chieu day cac snippets", "hieu ve cac snippets", "chieu den cac snippets", "chieu ve cac snippets", "chieu de cai 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 de cac 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 de cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chieu de cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu de cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.