Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
nhung cong » dung cong, thong cong, hang cong
trinh van » trinh han, trinh quan, dinh van
chu manh » chu han, chu van, thu minh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu manh) or (ho manh)) - hanh ((trinh van) or (trinh toan)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (ho manh)) - hanh ((trinh van) OR (trinh toan)) nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or (ho manh)) - hanh ((trinh van) or (trinh toan)) nhung cong tan toan cau*.