Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
kho tang » cao tang
manh hai » lanh hai, minh hai, van hai
cac xuc » cam xuc, cac nuoc, chat xuc
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
su sac » su sach, su cac, su xac
ve cac » va cac, vien cac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((kho tang) or (ky dang)) xa hoi. hieu ve cac xuc van ((manh hai) OR (thanh hai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((kho tang) OR (ky dang)) xa hoi. hieu ve cac xuc van ((manh hai) OR (thanh hai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ((kho tang) or (ky dang)) xa hoi. hieu ve cac xuc van ((manh hai) OR (thanh hai)) cua te".
• Adding a wildcard symbol may retrieve word variants: su sac ((kho tang) or (ky dang)) xa hoi. hieu ve cac xuc van ((manh hai) OR (thanh hai)) cua te*.