Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc canh cha snippets" » "hoc canh code snippets", "hoc anh cha snippets", "hoc can cha snippets", "hoc hanh cha snippets", "hoc canh chau snippets", "hoc canh cua snippets", "hoc 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: (((("hoc 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: (((("hoc canh cha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc canh cha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc canh cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.