Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
ve triet » va trien, su triet
nang co » nang cao, nang doc, nang noi
lam duc » lam duoc, pham duc, nam duoc
hanh de » hanh ve, hanh kem
hang di » hang doi, hang vi, hang dien
san ky » sang ky, van ky, dan ky
nang o » nang ho, nang ro, nang x
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san ky ((nang o) or (nang co)) hoi. lieu va lam duc va ((hanh de) or (hang di)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky ((nang o) OR (nang co)) hoi. lieu va lam duc va ((hanh de) OR (hang di)) ve triet.
• Adding a wildcard symbol may retrieve word variants: thuat san ky ((nang o) or (nang co)) hoi. lieu va lam duc va ((hanh de) or (hang di)) ve triet*.