Perhaps you should try some spelling variations:
tinh voi » trinh voi, tinh doi, binh voi
tu sach » thu sach, su sach, tu cach
tinh vi » trinh vi, tinh va, dinh vi
hieu ve » hieu va, hieu van
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
ha hoi » hoa hoi, ha noi, xa hoi
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) ky lang ha hoi. hieu ve nam cua ban ((tinh vi) OR (tinh voi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky lang ha hoi. hieu ve nam cua ban ((tinh vi) OR (tinh voi)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky lang ha hoi. hieu ve nam cua ban ((tinh vi) OR (tinh voi)) cuu tre*".