Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh tam cho snippets" » "dinh tam cho snippets", "minh tac cho snippets", "kinh tam cho snippets", "minh tap cho snippets", "minh tam ho snippets", "minh lam cho 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 tam cho 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 tam cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh tam cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh tam cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.