Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang ca moi snippets" » "hang ca code snippets", "hang va moi snippets", "nang cao moi snippets", "hang tai moi snippets", "hang cua moi snippets", "hang cac moi snippets", "hang can moi snippets"
"python using java snippets" » "python using data 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: (((("hang ca moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang ca moi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang ca moi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang ca moi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.