Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
van cham » van chat, van tham, va cham
dua tren » dung tren
su sach » so sach, vu sach
xang xa » lang xa, mang xa, ang xa
thi van » thi lan, thi hanh, thi nang
soc gia » toc gia, hoc gia, quoc gia
cu tren » tu tren
y xang » ty xang
so gia » so giai, so giao, ho gia

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 y xang xa hoi. thi van cham ((soc gia) or (so gia)) thanh ve ((cu tren) OR (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y xang xa hoi. thi van cham ((soc gia) OR (so gia)) thanh ve ((cu tren) OR (dua tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y xang xa hoi. thi van cham ((soc gia) or (so gia)) thanh ve ((cu tren) OR (dua tren))".
• Adding a wildcard symbol may retrieve word variants: su sach y xang xa hoi. thi van cham ((soc gia) or (so gia)) thanh ve ((cu tren) OR (dua tren))*.