Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tan tat duoc snippets" » "tan tao duoc snippets", "tan dat duoc snippets", "tan vat duoc snippets", "ban tat duoc snippets", "toan tap duoc snippets", "toan tai 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: (((("tan tat 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: (((("tan tat duoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tan tat duoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tat duoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.