Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
xanh hanh » danh thanh, ban hanh, van hanh
cuc tre » duc tre, cua tre, cuu tre
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van
cam suc » cam xuc, cao suc, cham soc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((mang xa) or (nang x)) hoi. hieu ve cam suc ((xanh hanh) or (dang thanh)) tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((mang xa) OR (nang x)) hoi. hieu ve cam suc ((xanh hanh) OR (dang thanh)) tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((mang xa) or (nang x)) hoi. hieu ve cam suc ((xanh hanh) or (dang thanh)) tai cuc tre*.