Perhaps you should try some spelling variations:
dinh sinh » tinh sinh, dinh kinh, dinh tinh
hieu van » hieu va, thien van, lieu va
sinh cau » trinh cau, sinh vat, sinh va
cau theo » cau thi, cau tao
te sach » toc sach
van cau » van dau, van hau, van chat
cau duc » cao duc, cau luc, chu duc
va dinh » van dinh, va kinh, va tinh
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, 5 hoi

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 y nang ((x hoi) or (x ho)). hieu van cau duc va dinh sinh cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((x hoi) OR (x ho)). hieu van cau duc va dinh sinh cau theo.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((x hoi) or (x ho)). hieu van cau duc va dinh sinh cau theo*.