Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong luan » phuong lan, phong luan, phuong loan
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
tuong tac » cong tac, luong tai, tuong lai
luan phan » luan van, luan hoan
tuong su » thuong su, thong su, tuong so
tuong tu » thong tu, luong tu, tuong ho
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - thanh ((tuong su) or (((tuong tu) OR (tuong tac)))) dung phuong luan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh ((tuong su) OR (((tuong tu) OR (tuong tac)))) dung phuong luan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - thanh ((tuong su) or (((tuong tu) OR (tuong tac)))) dung phuong luan phan cac".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh ((tuong su) or (((tuong tu) OR (tuong tac)))) dung phuong luan phan cac*.