Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
xanh doi » xanh di, thanh doi, tinh doi
mau xanh » rau xanh, mang xanh, cau danh
va cham » va chat, va tham
doi cua » dai cua, hoi cua
tuc mau » duc mau, vuc mau, truc may
te sach » toc sach
du hanh » dieu hanh, duy khanh, luu hanh
tu hanh » lu hanh, thuc hanh, thi hanh
va cam » va cac, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((tu hanh) OR (du hanh)) dai hoc. hieu ((va cam) or (va cham)) tuc mau xanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu hanh) OR (du hanh)) dai hoc. hieu ((va cam) OR (va cham)) tuc mau xanh doi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu hanh) OR (du hanh)) dai hoc. hieu ((va cam) or (va cham)) tuc mau xanh doi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu hanh) OR (du hanh)) dai hoc. hieu ((va cam) or (va cham)) tuc mau xanh doi cua triet*.