Perhaps you should try some spelling variations:
phat hien » phat trien
thanh le » thinh le, thanh ve, thanh de
va thanh » gia thanh, ban thanh, va tinh
va cham » va chat, va tham
nang ro » nang co, nang ho, nang ra
vu hai » su hai, vu ha
xuc va » duc va, tuc va, luc va
hai ky » thai ky, hoi ky, hai ly
ve cam » ve cham, ve cac, va cam
ro hoi » co hoi, o hoi, mo hoi
thien » thieu, tien, thiet

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu hai ky nang ro hoi. hieu ((ve cam) or (va cham)) xuc va thanh le ((phat hien) or (cai thien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu hai ky nang ro hoi. hieu ((ve cam) OR (va cham)) xuc va thanh le ((phat hien) OR (cai thien)).
• Adding a wildcard symbol may retrieve word variants: vu hai ky nang ro hoi. hieu ((ve cam) or (va cham)) xuc va thanh le ((phat hien) or (cai thien))*.