Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc hanh cho snippets" » "hoc hanh code snippets", "hoc nhanh cho snippets", "hoc thanh cho snippets", "hoc anh cho snippets", "hoc danh cho snippets", "hoc han cho snippets", "hoc hang cho 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 hanh cho 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 hanh cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoc hanh cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc hanh cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.