Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
chu nang » chuc nang, chua nang, cuu nang
pham duy » pham duc
vu nang » vuc nang, va nang, vu dang
va pham » van pham, va phat, va phap
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
duy va » duy vat, duy van, day va
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 ((vu nang) or (chu nang)) xa hoi. lieu va pham duy va hanh ((vi cua) OR (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ((vu nang) OR (chu nang)) xa hoi. lieu va pham duy va hanh ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ((vu nang) or (chu nang)) xa hoi. lieu va pham duy va hanh ((vi cua) OR (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ((vu nang) or (chu nang)) xa hoi. lieu va pham duy va hanh ((vi cua) OR (vai cua)) te*.