Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
lanh hai » manh hai, lang chai, lanh dao
hieu van » hieu va, thien van, lieu va
lam xuc » cam xuc, lam duoc
van lam » van nam
sach ty » sach y, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
xuc va » duc va, tuc va, luc va
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: tu ((sach ty) or (sach tu)) nang xa hoi. hieu van lam xuc va ((lanh hai) OR (thanh hai)) cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) nang xa hoi. hieu van lam xuc va ((lanh hai) OR (thanh hai)) cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach tu)) nang xa hoi. hieu van lam xuc va ((lanh hai) OR (thanh hai)) cua su".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) nang xa hoi. hieu van lam xuc va ((lanh hai) OR (thanh hai)) cua su*.