Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
phuong dan » phuong danh, phuong doan, huong dan
mot chieu » doi chieu, ho chieu
hanh hang » thanh hang, hang hang, hanh han
van dung » van dong, xay dung, tin dung
dan phan » doan phan, dan chan, van phan
phan tap » phan lap, han tap, pha tap
va dung » va duong, vat dung, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) xanh - hanh hang ((va dung) OR (van dung)) phuong dan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) xanh - hanh hang ((va dung) OR (van dung)) phuong dan phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (theo chieu)) xanh - hanh hang ((va dung) OR (van dung)) phuong dan phan tap".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) xanh - hanh hang ((va dung) OR (van dung)) phuong dan phan tap*.