Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho minh can snippets" » "khoa minh can snippets", "cho minh can snippets", "kho tinh can snippets", "kho minh chanh snippets", "kho minh danh snippets", "kho minh tuan 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: (((("kho minh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho minh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho minh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho minh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.