Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, le thanh
cau theo » cau thi, cau tao
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
va tinh » may tinh
vi cau » va cau, ve cau, di cau
ve cam » ve cham, ve cac, va cam

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) or (so sach)) ky tang xa hoi. hieu ve cam xuc ((va thanh) OR (va tinh)) vi cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (so sach)) ky tang xa hoi. hieu ve cam xuc ((va thanh) OR (va tinh)) vi cau theo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (so sach)) ky tang xa hoi. hieu ve cam xuc ((va thanh) OR (va tinh)) vi cau theo*".