Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh ve cay snippets" » "dinh ve cay snippets", "minh va cay snippets", "kinh ve cay snippets", "minh ve cac snippets", "minh ve cai 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 ve cay 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 ve cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh ve cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh ve cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.