Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
dinh hai » dinh thai, tinh hai, dinh ha
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, mang may
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va dinh » van dinh, va kinh, va tinh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va

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 ky ((nang ma) or (nang cao)) hoi. hieu va cham luc va dinh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (nang cao)) hoi. hieu va cham luc va dinh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang ma) or (nang cao)) hoi. hieu va cham luc va dinh hai cua tre*.