Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
van lam » van nam
lam duc » lam duoc, pham duc, nam duoc
duc ban » duc tan, duc van, dua ban
y nang » ly nang, v nang, may nang
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: tu sach ((y nang) or (ky nang)) xa hoi. hieu van lam duc ban ((thanh vai) or (thanh toan)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ky nang)) xa hoi. hieu van lam duc ban ((thanh vai) OR (thanh toan)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (ky nang)) xa hoi. hieu van lam duc ban ((thanh vai) or (thanh toan)) cua te*.