Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hieu viec » nhieu viec, hieu ve, sieu viet
van hanh » van thanh, ban hanh, van anh
cac viet » cach viet, bac viet, ca viet
te sach » toc sach
sang xa » song xa, lang xa, sang ma
viec da » viec dat, vien da, viec va
va hanh » va thanh, va danh, ban hanh
vai cac » va cac, tai cac, voi cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thieu sang xa hoi. hieu viec da xuc ((va hanh) OR (van hanh)) vai cac viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thieu sang xa hoi. hieu viec da xuc ((va hanh) OR (van hanh)) vai cac viet".
• Adding a wildcard symbol may retrieve word variants: te sach thieu sang xa hoi. hieu viec da xuc ((va hanh) OR (van hanh)) vai cac viet*.