Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han quoc bot snippets" » "han nuoc bot snippets", "han quoc hoi snippets", "han quoc bao snippets", "phan quoc bot snippets", "nhan quoc bot snippets", "hanh quoc bot 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: (((("han quoc bot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han quoc bot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han quoc bot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han quoc bot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.