Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » thong cong, hang cong, nhung don
trung vap » trung cap, trung va, trung van
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - thanh trung vap ((nhung cong) OR (dung cong)) ((dan chan) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh trung vap ((nhung cong) OR (dung cong)) ((dan chan) OR (tinh toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh trung vap ((nhung cong) OR (dung cong)) ((dan chan) or (tinh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh trung vap ((nhung cong) OR (dung cong)) ((dan chan) or (tinh toan)) cao*.