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