Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phuc hang o2 snippets" » "phuc hang code snippets", "phuc thanh o2 snippets", "phuc khanh o2 snippets", "phuc khong o2 snippets", "phuc hang hoa snippets", "phuc hang rok snippets", "phuc hang ton 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 ("phuc hang o2 snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phuc hang o2 snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phuc hang o2 snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phuc hang o2 snippets"))) or ("locating bug core snippets"))*.