Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tung » thanh cong
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
tung van » trung van, tang van, dung van
van dung » van dong, xay dung, tin dung
tac tai » tac trai, bac tai, cac tai
tac thi » ta thi, tai thi, cac thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh tung van dung cong ((tac tai) OR (tac thi)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh tung van dung cong ((tac tai) OR (tac thi)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh tung van dung cong ((tac tai) OR (tac thi)) cao*.