Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, hoc hien, hoc dieu
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
lan hanh » ban hanh, van hanh, lan anh
ban than » ban thanh, van thanh, ban hang
than man » than ma, thanh san, tran manh
hanh va » hang va, hanh vi

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) OR (ho chieu)) xanh - lan hanh va ((hang cong) or (dung cong)) ban than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) xanh - lan hanh va ((hang cong) OR (dung cong)) ban than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) xanh - lan hanh va ((hang cong) or (dung cong)) ban than man".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) xanh - lan hanh va ((hang cong) or (dung cong)) ban than man*.