Perhaps you should try some spelling variations:
chat luc » chat xuc, chat lua, chat huu
thu sach » thuat sach, thuoc sach, thu hoach
nhan luc » nang luc
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
tu sach » su sach, te sach, tu cach
hieu vu » hieu va, hieu ve, hieu su
de cua » le cua, te cua, dieu cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) ky nang x hoi. hieu vu ((chat luc) OR (nhan luc)) va hanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu vu ((chat luc) OR (nhan luc)) va hanh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang x hoi. hieu vu ((chat luc) OR (nhan luc)) va hanh de cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang x hoi. hieu vu ((chat luc) OR (nhan luc)) va hanh de cua te*.