Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
ty tang » tay tang, ty xang, ty hang
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
cua tre » cuu tre, cua triet, dua tren
sach ty » sach y, sach tu, sach thu
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty tang ma hoa. hieu va ((cham luc) OR (nhan luc)) va thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty tang ma hoa. hieu va ((cham luc) OR (nhan luc)) va thanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty tang ma hoa. hieu va ((cham luc) OR (nhan luc)) va thanh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ty tang ma hoa. hieu va ((cham luc) OR (nhan luc)) va thanh vai ((cua tre) or (cua te))*.