Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh hai mo snippets" » "manh hai mo snippets", "thanh hai mo snippets", "lang chai mo snippets", "lanh hai moi snippets", "lanh khai mo snippets", "lanh hai so 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 hai 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 hai mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh hai mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh hai mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.