Perhaps you should try some spelling variations:
thi hang » thi hanh, thi nang, thi hong
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
anh vai » anh va, anh bai, anh van
van anh » van thanh, tuan anh, van minh
vuc van » duc van, luc van, thuc van
cac vuc » cac nuoc, cac vung, cac cuoc
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
ty hang » ly hang, ty xang, thu hang
ty tang » tay tang, ty xang, ky tang
cua cau » cua cac, cua chu, cua cay
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 ((ty tang) or (((ty hang) or (thi hang)))) cho hoc. hieu ve cac vuc van anh vai cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty tang) OR (((ty hang) OR (thi hang)))) cho hoc. hieu ve cac vuc van anh vai cua cau*.