Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
van hanh » van thanh, ban hanh, van anh
hanh di » hanh vi, hanh de, hang di
cao duc » dao duc, cao suc, giao duc
cam duc » cam xuc, pham duc, nam duoc
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (thuat lanh)) y nang xa hoi. lieu va ((cam duc) OR (cao duc)) van hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat lanh)) y nang xa hoi. lieu va ((cam duc) OR (cao duc)) van hanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sach) or (thuat lanh)) y nang xa hoi. lieu va ((cam duc) OR (cao duc)) van hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat lanh)) y nang xa hoi. lieu va ((cam duc) OR (cao duc)) van hanh di cua te*.