Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
tran manh » tran minh, tran thanh, tran van
hieu van » hieu va, thien van, lieu va
cau luc » cau truc, cau phuc
van cau » van dau, van hau, van chat
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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) or (tu sach)) ky lang xa hoi. hieu van cau luc ((van minh) or (tran manh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (tu sach)) ky lang xa hoi. hieu van cau luc ((van minh) OR (tran manh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (tu sach)) ky lang xa hoi. hieu van cau luc ((van minh) or (tran manh)) di cua tre*.