Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh ve » hanh ve, thanh va, thanh vien
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac xuc » cac nuoc, chat xuc, cac cuoc
ve cua » le cua, de cua, te cua
cua su » qua su

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 y)) nang xa hoi. hieu va ((cac xuc) OR (cam xuc)) va thanh ve cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ty) OR (sach y)) nang xa hoi. hieu va ((cac xuc) OR (cam xuc)) va thanh ve cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ty) or (sach y)) nang xa hoi. hieu va ((cac xuc) OR (cam xuc)) va thanh ve cua su".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ty) or (sach y)) nang xa hoi. hieu va ((cac xuc) OR (cam xuc)) va thanh ve cua su*.