Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
luc ngan » luc nganh, luc nhan, luat ngan
cham luc » cham soc, nhan luc, cham cuu
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, tu cach
ty nang » ky nang, ty xang, ly nang
te sach » toc sach
ty hang » ly hang, ty xang, thi hang
va dau » va dao

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 (te sach)) ((ty nang) or (ty hang)) xa hoi. hieu ve cham luc ngan hang va dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ((ty nang) OR (ty hang)) xa hoi. hieu ve cham luc ngan hang va dau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ((ty nang) or (ty hang)) xa hoi. hieu ve cham luc ngan hang va dau tren".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ((ty nang) or (ty hang)) xa hoi. hieu ve cham luc ngan hang va dau tren*.