Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien bac » phien ban, mien bac, chien dau
trinh van » trinh han, trinh quan, trinh toan
chien tre » hien te
chieu tro » chi tro, chieu cao, chieu gio
dang xay » dang van, van xay
bac thue » bac thua, sach thue, cuc thue
va trinh » van trinh, va tinh, lap trinh
tu sach » thu sach, su sach, te sach
xay hoi » xa hoi, tay hoi, cay phoi
thue va » thuc va, thuyet va, thuc vat

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 _ dang xay hoi. chieu chien bac thue va trinh van ((chien tre) OR (chieu tro))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach _ dang xay hoi. chieu chien bac thue va trinh van ((chien tre) OR (chieu tro))".
• Adding a wildcard symbol may retrieve word variants: tu sach _ dang xay hoi. chieu chien bac thue va trinh van ((chien tre) OR (chieu tro))*.