Perhaps you should try some spelling variations:
hang huong » hang thuong, hang luong, hoang phuong
hien manh » tien manh, hieu manh, hien nhanh
hien hanh » dieu hanh
hanh tang » hanh trang, hanh mang, hanh tung
anh tang » anh bang, anh dang, anh nang
cua hang » cua dang, cua nhung, cua cong
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) OR (hien hanh)) - ((hanh tang) or (anh tang)) cua hang huong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (hien hanh)) - ((hanh tang) OR (anh tang)) cua hang huong dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) OR (hien hanh)) - ((hanh tang) or (anh tang)) cua hang huong dan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) OR (hien hanh)) - ((hanh tang) or (anh tang)) cua hang huong dan phan tu*.