Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
lieu tinh » trieu tinh, diep tinh, bien tinh
cao nhung » cho nhung, cam nhung, cao chung
tung cao » nung cao, truong cao, trung cap
cong tac » cong ty
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) OR (lieu tinh)))) - thanh tung cao nhung cong tac quan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (((chieu tinh) OR (lieu tinh)))) - thanh tung cao nhung cong tac quan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (((chieu tinh) OR (lieu tinh)))) - thanh tung cao nhung cong tac quan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (((chieu tinh) OR (lieu tinh)))) - thanh tung cao nhung cong tac quan tap*.