Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
dan than » ban than, van than, dan toan
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: hoc chieu tinh - hanh ((trung va) OR (trang va)) nhung cong ((dan than) or (dan chan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trung va) OR (trang va)) nhung cong ((dan than) OR (dan chan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((trung va) OR (trang va)) nhung cong ((dan than) or (dan chan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trung va) OR (trang va)) nhung cong ((dan than) or (dan chan)) cao*.