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