Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cua tre » cua te, cuu tre, cua triet
danh vi » hanh vi, dinh vi, danh di
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
va thai » van thai, va tai, va tham
lang ha » long ha
ty lang » tay lang, ty xang, ty hang
tuc va » thuc va, truc va, duc va
ha hoi » hoa hoi, ha noi, xa 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 ty lang ha hoi. lieu va thai ((tuc va) OR (tuc xa)) danh vi ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty lang ha hoi. lieu va thai ((tuc va) OR (tuc xa)) danh vi ((cua tre) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty lang ha hoi. lieu va thai ((tuc va) OR (tuc xa)) danh vi ((cua tre) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ty lang ha hoi. lieu va thai ((tuc va) OR (tuc xa)) danh vi ((cua tre) or (su triet))*.