Perhaps you should try some spelling variations:
truong quan » trong quan, luong quan, truong van
nhung huong » nhung phuong, nhung tuong, nhung cong
tien trinh » tien thinh, bien tinh, tien thanh
tieu tinh » trieu tinh, tieu trinh, lieu tinh
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tieu tinh) or (tien trinh)) - hanh ((truong quan) OR (thong quan)) nhung huong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tieu tinh) OR (tien trinh)) - hanh ((truong quan) OR (thong quan)) nhung huong dan chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tieu tinh) or (tien trinh)) - hanh ((truong quan) OR (thong quan)) nhung huong dan chan cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((tieu tinh) or (tien trinh)) - hanh ((truong quan) OR (thong quan)) nhung huong dan chan cap*.