Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao nuoc duc snippets" » "dat nuoc duc snippets", "dao cuoc duc snippets", "dau nuoc duc snippets", "dao ngoc duc snippets", "dao nuoc cuc snippets", "dao duoc duoc 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: (((("dao nuoc duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao nuoc duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao nuoc duc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao nuoc duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.