Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sen tan can snippets" » "nen tang can snippets", "son tang can snippets", "benh tan can snippets", "sen toan can snippets", "sen tan van snippets", "sen ban can 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: (((("sen tan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sen tan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sen tan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sen tan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.