Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap
luan va » luan van
luat va » xuat va, luat ve, suat va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - nhanh ((luan va) OR (luat va)) phuong cong dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - nhanh ((luan va) OR (luat va)) phuong cong dan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - nhanh ((luan va) OR (luat va)) phuong cong dan phan cac".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - nhanh ((luan va) OR (luat va)) phuong cong dan phan cac*.