Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
truong cao » truong dai
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
hoc chieu » hoc thieu, ho chieu, hoc hien
trung ha » trung hoc, trung tam, trung cap
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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 ((truong cao) or (trung ha)) nhu phuong dan ((chan cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((truong cao) OR (trung ha)) nhu phuong dan ((chan cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((truong cao) or (trung ha)) nhu phuong dan ((chan cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((truong cao) or (trung ha)) nhu phuong dan ((chan cau) OR (phan cau))*.