Perhaps you should try some spelling variations:
thien van » thi van
hoang van » hang va
nha thuoc » nha nuoc, nhan thuc, nha hoc
hang van » hang va, dang van, tang van
nam duoc » nam thuoc, da duoc, dat duoc
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
so sac » so sach, so dac
cua te » cua tu
sac ky » cac ky, sai ky
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: so sac ky dang ha hoi. thien van ((nam duoc) or (nha thuoc)) ban ((hang van) OR (hoang van)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky dang ha hoi. thien van ((nam duoc) OR (nha thuoc)) ban ((hang van) OR (hoang van)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky dang ha hoi. thien van ((nam duoc) or (nha thuoc)) ban ((hang van) OR (hoang van)) cua te".
• Adding a wildcard symbol may retrieve word variants: so sac ky dang ha hoi. thien van ((nam duoc) or (nha thuoc)) ban ((hang van) OR (hoang van)) cua te*.