Perhaps you should try some spelling variations:
thieu nien » thien nhien
van thanh » ban thanh, van tuan
van hanh » ban hanh, van anh, van ban
cua viet » hoa viet, cua vat, cua dieu
nien cac » vien cac, dien cac, bien cac
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
sang xa » song xa, lang xa, sang ma
ky sang » ky nang, ky dang, ky tang
ca viet » va viet, co viet, hoa viet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky sang xa hoi. thieu nien cac xuc ((van hanh) or (van thanh)) vi ((cua viet) OR (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang xa hoi. thieu nien cac xuc ((van hanh) OR (van thanh)) vi ((cua viet) OR (ca viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang xa hoi. thieu nien cac xuc ((van hanh) or (van thanh)) vi ((cua viet) OR (ca viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang xa hoi. thieu nien cac xuc ((van hanh) or (van thanh)) vi ((cua viet) OR (ca viet))*.