Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
cuong tap » luong tap, cong tac, cong tan
luong tai » dung tai, luong va
tung cao » nung cao, truong cao, trung cap
cao hung » cao chung, cam hung, cao dung
quan tap » quan tai, quan lap, quan tam

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 lang) or (chieu tinh)) - thanh tung cao hung ((cuong tap) OR (luong tai)) quan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu tinh)) - thanh tung cao hung ((cuong tap) OR (luong tai)) quan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (chieu tinh)) - thanh tung cao hung ((cuong tap) OR (luong tai)) quan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu tinh)) - thanh tung cao hung ((cuong tap) OR (luong tai)) quan tap*.