Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
nhung cong » dung cong, thong cong, hang cong
mao triet » tao thiet, va triet, bo triet
trang va » tran van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: mao triet tinh - hanh ((trang va) OR (hang va)) nhung cong tan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mao triet tinh - hanh ((trang va) OR (hang va)) nhung cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: mao triet tinh - hanh ((trang va) OR (hang va)) nhung cong tan toan tap*.