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