Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hanh cho » hang cho, han cho, anh cho
van hanh » ban hanh, van anh, van ban
sach thi » sach thu, sach tai, sach thieu
te sach » toc sach
cua cau » cua cac, cua chu, cua cay
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
ve cac » va cac, vien cac

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 thi ((hanh cho) or (danh cho)) hoc. hieu ve cac xuc ((van hanh) OR (van thanh)) vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thi ((hanh cho) OR (danh cho)) hoc. hieu ve cac xuc ((van hanh) OR (van thanh)) vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thi ((hanh cho) or (danh cho)) hoc. hieu ve cac xuc ((van hanh) OR (van thanh)) vi cua cau*".