Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van manh do snippets" » "van manh code snippets", "van minh do snippets", "van anh do snippets", "van hanh do snippets", "van manh ho snippets", "van lanh dao snippets", "van manh hon 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: (((("python using java snippets") or ("van manh do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van manh do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van manh do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van manh do snippets"))) or ("locating bug core snippets"))*.