Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
chieu sach » chinh sach, chiet tach, chieu sang
phuong cua » huong cua, chuong chua, thong cua
toc chieu » toc thieu, doc hieu, hoc thieu
phan cong » thanh cong
ban cong » bang cong, van cong, ban huong
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - thanh ((phuong cua) OR (phuong cham)) ((ban cong) or (phan cong)) dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - thanh ((phuong cua) OR (phuong cham)) ((ban cong) OR (phan cong)) dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - thanh ((phuong cua) OR (phuong cham)) ((ban cong) or (phan cong)) dan toan tap".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - thanh ((phuong cua) OR (phuong cham)) ((ban cong) or (phan cong)) dan toan tap*.