Perhaps you should try some spelling variations:
thien nang » thien bang, thien dang, trien nang
thue nang » thuat nang, thi nang, chuc nang
van chat » cao chat
te sach » toc sach
va chat » va phat, cao chat, hoa chat
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
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: te sach ((thue nang) or (thien nang)) xa hoi. lieu ((va chat) OR (van chat)) duc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thue nang) OR (thien nang)) xa hoi. lieu ((va chat) OR (van chat)) duc va hanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thue nang) or (thien nang)) xa hoi. lieu ((va chat) OR (van chat)) duc va hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ((thue nang) or (thien nang)) xa hoi. lieu ((va chat) OR (van chat)) duc va hanh di cua te*.