Perhaps you should try some spelling variations:
kho tang » cao tang
khai cua » thai cua, hai cua, khan cua
van tuan » van quan, van ban, anh tuan
khi cua » chi cua, thai cua
duc van » duc va, duc tan, duc manh
vu cham » va cham, vu kham, tu cham
cac kho » cac khoi, cac khoa, cac khu
ve cham » va cham, ve chat, ve chim
tang xa » trang xa, tang ma, lang xa
su cac » tu cac, su cao, su can

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

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