Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lai » thanh hai, thanh lap, thanh loi
thu cach » thuc cach, thu canh, tu cach
va thanh » gia thanh, ban thanh, va tinh
cau tren » cu tren, dau tren, ca tren
tu nano » truc nano
hieu ve » hieu va, hieu van
cham tu » pham tu, cam tu, chai tu
tu nang » tru nang, tu nong, tu lang
ve cham » va cham, ve chat, vu cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach ((tu nang) OR (tu nano)) xa hoi. hieu ve cham tu va thanh lai ((cua triet) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach ((tu nang) OR (tu nano)) xa hoi. hieu ve cham tu va thanh lai ((cua triet) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach ((tu nang) OR (tu nano)) xa hoi. hieu ve cham tu va thanh lai ((cua triet) or (cau tren))".
• Adding a wildcard symbol may retrieve word variants: thu cach ((tu nang) OR (tu nano)) xa hoi. hieu ve cham tu va thanh lai ((cua triet) or (cau tren))*.