Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
van nang » van quang, van ban, van dong
thi nang » thi cong, ki nang, thi hanh
tu sach » thu sach, su sach, te sach
lam duc » lam duoc, pham duc, nam duoc
duc ban » duc tan, duc van, dua ban
v nang » va nang, vu nang, voi 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 ((v nang) OR (van nang)) xa hoi. ((lieu va) or (thi nang)) lam duc ban thanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((v nang) OR (van nang)) xa hoi. ((lieu va) OR (thi nang)) lam duc ban thanh dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((v nang) OR (van nang)) xa hoi. ((lieu va) or (thi nang)) lam duc ban thanh dai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((v nang) OR (van nang)) xa hoi. ((lieu va) or (thi nang)) lam duc ban thanh dai cua te*.