Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hai mong snippets" » "thi hai long snippets", "thi lai mong snippets", "thi thai muong snippets", "thi mai mong snippets", "thi hanh mong 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: (((("thi hai mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hai mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hai mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hai mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.