Perhaps you should try some spelling variations:
dap phoi » cap phoi, gap phoi, dap phap
tu tang » tuc tang, tu trang, tu tong
danh vi » dinh vi, danh di, danh va
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
tang ky » dang ky, trong ky, tang khu
cam tu » cam thu, nam tu, dam tu
ve cam » ve cham, ve cac, va cam
va dap » va dao, va dau
cua te » cua tu
ky va » ly va, ke va, my va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu tang ky va dap phoi. hieu ve cam tu va ((danh vi) or (hanh vi)) ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu tang ky va dap phoi. hieu ve cam tu va ((danh vi) OR (hanh vi)) ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu tang ky va dap phoi. hieu ve cam tu va ((danh vi) or (hanh vi)) ((cua tre) or (cua te))*.