Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
trinh dai » trinh tai, trinh di, trinh da
va trinh » van trinh, va tinh, lap trinh
cau theo » cau thi, cau tao
long ha » dong ha, cong ha, dong hoa
qua cam » qua cham, qua cac, qua ca
dai cau » dat cau, da cau, dai hau
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y ((lang ha) or (long ha)) hoi. hieu qua cam xuc va trinh dai cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y ((lang ha) OR (long ha)) hoi. hieu qua cam xuc va trinh dai cau theo.
• Adding a wildcard symbol may retrieve word variants: thuat sach y ((lang ha) or (long ha)) hoi. hieu qua cam xuc va trinh dai cau theo*.