Perhaps you should try some spelling variations:
thieu xang » thieu khang, thieu quang, chieu sang
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
xang ma » tang ma, nang ma, sang ma
viec da » viec dat, viec va, viec ha
ca viet » va viet, co viet, san viet
vien da » vien dai, hien dai
va hanh » van hanh, va thanh, va danh
ma hoi » mai hoi, xa hoi, ma hoa

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 xang ma hoi. hieu ((viec da) or (vien da)) duc va hanh vai ((ca viet) OR (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thieu xang ma hoi. hieu ((viec da) OR (vien da)) duc va hanh vai ((ca viet) OR (hoa viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thieu xang ma hoi. hieu ((viec da) or (vien da)) duc va hanh vai ((ca viet) OR (hoa viet))".
• Adding a wildcard symbol may retrieve word variants: te sach thieu xang ma hoi. hieu ((viec da) or (vien da)) duc va hanh vai ((ca viet) OR (hoa viet))*.