Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
nang ma » tang ma, sang ma, nang cao
lanh tu » anh tu, danh tu, hanh tu
nang xa » nang x, lang xa, mang xa
dao duc » giao duc, tao duoc
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
vi cua » di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh tu ((nang xa) OR (nang ma)) hoi. hieu van dao duc van hanh ((vi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh tu ((nang xa) OR (nang ma)) hoi. hieu van dao duc van hanh ((vi cua) OR (vai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh tu ((nang xa) OR (nang ma)) hoi. hieu van dao duc van hanh ((vi cua) or (vai cua)) tre*".