Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach tay » xach tay, sach hay, sach nay
tay tang » tay lang, tay trung, tay quang
cham luc » nhan luc, cham cuu, chat lua
cau tren » cu tren, dau tren, ca tren
dau tien » van tien
tang xa » trang xa, tang ma, lang xa
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi

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 tay tang xa hoi. lieu va ((cham luc) or (cham soc)) va hanh va ((cau tren) or (dau tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tay tang xa hoi. lieu va ((cham luc) OR (cham soc)) va hanh va ((cau tren) OR (dau tien)).
• Adding a wildcard symbol may retrieve word variants: thu sach tay tang xa hoi. lieu va ((cham luc) or (cham soc)) va hanh va ((cau tren) or (dau tien))*.