Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan canh cao snippets" » "dan canh code snippets", "van canh cao snippets", "dan cach cao snippets", "dan hanh cao snippets", "dan canh chau snippets", "dan doanh cao snippets", "dan nang cao 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: (((("python using java snippets") or ("dan canh cao snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dan canh cao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan canh cao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan canh cao snippets"))) or ("locating bug core snippets"))*.