Perhaps you should try some spelling variations:
ban tinh » ban thanh, quan tinh, ban hanh
hieu ve » hieu va, hieu van
tinh vi » trinh vi, tinh voi, tinh va
qua ban » cua ban, qua quan
cac qua » cau qua, tac quan
su sach » so sach, vu sach
ky lang » ky dang, ky tang, tay lang
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (te sach)) ((ky lang) or (ky nang)) xa hoi. hieu ve cac qua ban tinh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ((ky lang) OR (ky nang)) xa hoi. hieu ve cac qua ban tinh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ((ky lang) or (ky nang)) xa hoi. hieu ve cac qua ban tinh vi cuu tre*.