Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh ky cham snippets" » "kinh ky cham snippets", "minh ly cham snippets", "trinh ky cham snippets", "minh ky chau snippets", "minh hay cham snippets", "minh khi cham 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: (((("minh ky cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh ky cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh ky cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh ky cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.