Perhaps you should try some spelling variations:
hien tinh » khien tinh, thien tinh, bien tinh
hanh nang » ganh nang, anh nang, hanh mang
nang quan » ban quan, nang suat
quan cong » qua cong, luan cong, quan dong
cong cong » cong dong, trong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - hanh nang quan cong cong tinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - hanh nang quan cong cong tinh toan tap*.