Perhaps you should try some spelling variations:
thien van » thi van
thanh lap » thanh san, phan lap, thanh hai
hanh lam » hanh kem, hanh va, dinh lam
sach ty » sach y, sach thu, xach tay
van cau » van dau, van hau, van chat
lang xa » lang ha, dang xay, lang van
sach tu » sach thu, cach tu, sach uu
su tien » su kien, su hien, tu tieng
cau tu » dau tu, cau truc
tu xa » tu xay, tu va, te xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ty) or (sach tu)) lang xa hoi. thien van cau tu xa ((hanh lam) OR (thanh lap)) su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ty) OR (sach tu)) lang xa hoi. thien van cau tu xa ((hanh lam) OR (thanh lap)) su tien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ty) or (sach tu)) lang xa hoi. thien van cau tu xa ((hanh lam) OR (thanh lap)) su tien".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ty) or (sach tu)) lang xa hoi. thien van cau tu xa ((hanh lam) OR (thanh lap)) su tien*.