Perhaps you should try some spelling variations:
phat xuc » chat xuc, phat xuat, phap xu
dinh lam » dinh van, tinh lao
su sach » so sach, vu sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho
thiet » thieu

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 tu nang x hoi. hieu va phat xuc va ((((hanh kem) or (dinh lam))) or (hanh va)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu nang x hoi. hieu va phat xuc va ((((hanh kem) OR (dinh lam))) OR (hanh va)) va thiet.
• Adding a wildcard symbol may retrieve word variants: su sach tu nang x hoi. hieu va phat xuc va ((((hanh kem) or (dinh lam))) or (hanh va)) va thiet*.