Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"quoc hoi lap snippets" » "quoc hoi dap snippets", "quoc hoc lap snippets", "quoc hoa lap snippets", "quoc hoi lap slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("quoc hoi lap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc hoi lap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc hoi lap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc hoi lap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.