Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc bao cau snippets" » "quoc oai cau snippets", "hoc bao cau snippets", "quoc va cau snippets", "quoc bao cao snippets", "quoc bo cau snippets", "quoc tao cau snippets"
"locating bug code snippets" » "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 bao cau 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 bao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc bao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc bao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.