Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh can chi snippets" » "minh chanh chi snippets", "minh danh chi snippets", "minh tuan chi snippets", "minh can thi snippets", "minh van chi snippets", "minh san chi 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 can chi 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 can chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh can chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.