Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tuong va » truong va, thuong va, luong va
cong san » cong tac
toan cao » toan tap
toan ban » van ban
tung va » trung va, dung va, vung va

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 ((tung va) OR (tuong va)) nhung cong san ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((tung va) OR (tuong va)) nhung cong san ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh ((tung va) OR (tuong va)) nhung cong san ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((tung va) OR (tuong va)) nhung cong san ((toan cao) or (toan ban))*.