Perhaps you should try some spelling variations:
va triet » va thiet, va trien, cua triet
ve triet » va trien, su triet
toc sai » toc san, toc dai, thuoc sai
nang xa » nang x, lang xa, nang ma
ve cuac » ve cac, ve cuoc, ve chuan
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem
sai ky » sac ky
ve cua » le cua, de cua, te cua
dao va » dao van, tao va, do 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 sai ky nang xa hoi. hieu ((ve cua) or (ve cuac)) dao va hanh de ((va triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sai ky nang xa hoi. hieu ((ve cua) OR (ve cuac)) dao va hanh de ((va triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sai ky nang xa hoi. hieu ((ve cua) or (ve cuac)) dao va hanh de ((va triet) OR (ve triet))".
• Adding a wildcard symbol may retrieve word variants: toc sai ky nang xa hoi. hieu ((ve cua) or (ve cuac)) dao va hanh de ((va triet) OR (ve triet))*.