Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
phuong dan » phuong danh, phuong doan, huong dan
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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

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