Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai viet mo snippets" » "thai viet mo snippets", "mai viet mo snippets", "tai viet mo snippets", "hai viet o snippets", "hai viet co snippets", "hai viet xo 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: (((("hai viet 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: (((("hai viet mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai viet mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai viet mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.