Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh vua doi snippets" » "minh va doi snippets", "linh vua doi snippets", "minh vu doi snippets", "minh sua doi snippets", "minh lua doi 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 vua doi 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 vua doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh vua doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh vua doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.