Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
vien cac » vien bach, vien dai, vien da
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
toc sac » toc sach, toc san, hoc sach
ve cuac » ve cac, ve cuoc, ve chuan
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
ve cua » le cua, de cua, te cua
dao va » dao van, tao va, do va
di va » dai va, di vao, doi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky nang xa hoi. hieu ((ve cua) or (((ve cuac) or (vien cac)))) dao va hanh di va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky nang xa hoi. hieu ((ve cua) OR (((ve cuac) OR (vien cac)))) dao va hanh di va triet.
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang xa hoi. hieu ((ve cua) or (((ve cuac) or (vien cac)))) dao va hanh di va triet*.