Perhaps you should try some spelling variations:
thien van » thi van
va triet » va thiet, va trien, ve triet
thu nang » thi nang, thu bang, tho nang
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
thu hang » thi hang, thuc hanh, thu huong
chat xuc » chat huu, cam xuc, chao xu
van chat » cao chat
xuc van » duc van, luc van, vuc van
su sach » so sach, vu sach
lam va » nam va, dam va, lam ha
x hoi » o hoi, x ho, 5 hoi

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 ((thu nang) or (thu hang)) ((x hoi) OR (xa hoi)). thien van chat xuc van hanh lam va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((thu nang) OR (thu hang)) ((x hoi) OR (xa hoi)). thien van chat xuc van hanh lam va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((thu nang) or (thu hang)) ((x hoi) OR (xa hoi)). thien van chat xuc van hanh lam va triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((thu nang) or (thu hang)) ((x hoi) OR (xa hoi)). thien van chat xuc van hanh lam va triet*.