Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bac cho duoc snippets" » "bac che duoc snippets", "bac co duoc snippets", "bac cho cuoc snippets", "bac ho duoc snippets", "dac cho duoc snippets", "bac cao duoc snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("bac cho duoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac cho duoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bac cho duoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac cho duoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.