Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
hanh mau » thanh mau, anh mau, hanh ma
hanh may » hanh ma, hanh ngay, thanh mau
chau tre » chay tren, chau tho, cho tre
hieu ve » hieu va, hieu van
sach ly » sach y, sach lo, sach ty
cao hoi » co hoi, cao hoc, tao hoi
ly nang » ky nang, ly hang, ly vang
ve cham » va cham, ve chat, vu cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ly nang ((cao hoi) OR (cau hoi)). hieu ve cham duc va ((hanh may) or (hanh mau)) chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ly nang ((cao hoi) OR (cau hoi)). hieu ve cham duc va ((hanh may) OR (hanh mau)) chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ly nang ((cao hoi) OR (cau hoi)). hieu ve cham duc va ((hanh may) or (hanh mau)) chau tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ly nang ((cao hoi) OR (cau hoi)). hieu ve cham duc va ((hanh may) or (hanh mau)) chau tre*.