Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh khai mo snippets" » "lanh hai mo snippets", "manh khai mo snippets", "minh khai mo snippets", "lanh khac mo snippets", "lanh khi mo snippets", "lanh khai bao 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: (((("lanh khai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lanh khai mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh khai mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh khai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.