Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong doan » phuong loan, phuong hoang, huong dan
hanh trang » thanh trung, canh tranh, hanh trinh
hien hanh » dieu hanh
hanh tram » hanh tam, thanh tran, thanh tra
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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 hanh - ((hanh tram) or (hanh trang)) va nhung phuong doan ((than tap) OR (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh tram) OR (hanh trang)) va nhung phuong doan ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((hanh tram) or (hanh trang)) va nhung phuong doan ((than tap) OR (phan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((hanh tram) or (hanh trang)) va nhung phuong doan ((than tap) OR (phan tap))*.