Perhaps you should try some spelling variations:
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
soc thiet » hoc thiet, so thiet, toc thieu
cua trong » cua truong, cua trung, qua trong
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (soc thiet)) tach - thanh tung cua trong ((cong thanh) OR (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (soc thiet)) tach - thanh tung cua trong ((cong thanh) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (soc thiet)) tach - thanh tung cua trong ((cong thanh) OR (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (soc thiet)) tach - thanh tung cua trong ((cong thanh) OR (cong tan)) toan ban*.