Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phu hoc cau snippets" » "phu hoc code snippets", "phau hoc cau snippets", "phuc hoc cau snippets", "pho hoc cau snippets", "phu hoc cao snippets", "phu hoc cac snippets", "phu hoc can 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: (((("phu hoc cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu hoc cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phu hoc cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu hoc cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.