Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
dung tren » dung trong, dung trung
thanh lap » thanh san, phan lap, thanh hai
va thanh » gia thanh, ban thanh, va tinh
sang tao » hang tai
cham luc » cham soc, nhan luc, cham cuu
ve cham » va cham, ve chat, vu cham
sach ky » sach y, sach ty, sach kem
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) OR (sac ky)) sang tao hoi. hieu ve cham luc va thanh lap ((dung tren) or (cua thuoc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) sang tao hoi. hieu ve cham luc va thanh lap ((dung tren) OR (cua thuoc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sac ky)) sang tao hoi. hieu ve cham luc va thanh lap ((dung tren) or (cua thuoc))".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) OR (sac ky)) sang tao hoi. hieu ve cham luc va thanh lap ((dung tren) or (cua thuoc))*.