Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu xanh » chieu sach, chieu sang, chieu tinh
manh trung » manh tung, thanh trung, manh hung
trung cao » truong cao, trung cap, trung co
hang cong » dang cong, hang nong, bang cong
cao hang » cao dang, cao tang, cao bang
cong tan » cong tac, cong san, cong thanh
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: ho ((chiet tach) or (chieu xanh)) - manh trung cao hang cong tan ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu xanh)) - manh trung cao hang cong tan ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (chieu xanh)) - manh trung cao hang cong tan ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu xanh)) - manh trung cao hang cong tan ((toan tap) OR (toan ban))*.