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