Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
soc thiet » hoc thiet, so thiet, toc thieu
ho chieu » theo chieu, hoc thieu, doi chieu
ve nhung » va nhung, tu nhung
cong san » cong tac
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
tung ve » dung ve, tung le, tung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (soc thiet)) tach - thanh tung ve nhung cong san ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (soc thiet)) tach - thanh tung ve nhung cong san ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (soc thiet)) tach - thanh tung ve nhung cong san ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (soc thiet)) tach - thanh tung ve nhung cong san ((than cau) OR (than cap))*.