Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nhan luc » nang luc
tai lang » tai cong, thi lan, tai san
van hanh » van thanh, ban hanh, van anh
hieu thi » sieu thi, hieu chi, hiep thi
cham luc » cham soc, chat lua, cau luc
sach tai » sach bai, sach tham, sach dao
cham cuu » cap cuu, chat cua
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
vi cua » vai cua, di cua

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 tai lang xa hoi. hieu thi ((((cham luc) OR (cham cuu))) or (nhan luc)) van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tai lang xa hoi. hieu thi ((((cham luc) OR (cham cuu))) OR (nhan luc)) van hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach tai lang xa hoi. hieu thi ((((cham luc) OR (cham cuu))) or (nhan luc)) van hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach tai lang xa hoi. hieu thi ((((cham luc) OR (cham cuu))) or (nhan luc)) van hanh vi cua tre*.