Perhaps you should try some spelling variations:
manh khai » minh khai, manh hai, dang khai
khai cua » thai cua, hai cua, khi cua
van manh » van minh, van anh, van hanh
tuc dan » thuc dan, thuc day, tung dan
duc van » duc va, duc tan, duc manh
ve cac » vien cac
ve cau » ke cau, va cau, le cau
dan ky » van ky
nang o » nang co, nang ho, nang ro
cua te » cua tu
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tuc dan ky nang o hoi. hieu ((((va cac) or (ve cau))) or (ve cac)) duc van manh khai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuc dan ky nang o hoi. hieu ((((va cac) OR (ve cau))) OR (ve cac)) duc van manh khai cua te.
• Adding a wildcard symbol may retrieve word variants: tuc dan ky nang o hoi. hieu ((((va cac) or (ve cau))) or (ve cac)) duc van manh khai cua te*.