Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tung tran » trung tran, hung tran, huong tran
tran dung » tran dang, tran hung, tran quang
dung cong » dung trong
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: ho ((hieu manh) or (((chieu tinh) OR (trieu tinh)))) - thanh tung tran dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((chieu tinh) OR (trieu tinh)))) - thanh tung tran dung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (((chieu tinh) OR (trieu tinh)))) - thanh tung tran dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((chieu tinh) OR (trieu tinh)))) - thanh tung tran dung cong tan toan cau*.