Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
va pham » van pham, va phat, va phap
duc van » duc va, duc tan, duc manh
tu dan » tuc dan, tu ban, tu can
cu dan » cua dan, ca dan, co dan
anh di » danh di, xanh di, anh du

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu dan) or (cu dan)) ky nang xa hoi. lieu va pham duc van ((anh di) OR (anh d)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu dan) OR (cu dan)) ky nang xa hoi. lieu va pham duc van ((anh di) OR (anh d)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dan) or (cu dan)) ky nang xa hoi. lieu va pham duc van ((anh di) OR (anh d)) cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu dan) or (cu dan)) ky nang xa hoi. lieu va pham duc van ((anh di) OR (anh d)) cua viet*.