Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
van hang » van khang, van hoang, van thang
cham xuc » cam xuc, chat xuc, cham soc
va hang » va nang, va lang, va hanh
te sach » toc sach
tu nano » truc nano
tu nang » tru nang, tu nong, tu lang
de cua » le cua, te cua, dieu 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 ((tu nang) OR (tu nano)) xa hoi. hieu qua cham xuc ((va hang) or (van hang)) de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tu nano)) xa hoi. hieu qua cham xuc ((va hang) OR (van hang)) de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu nang) OR (tu nano)) xa hoi. hieu qua cham xuc ((va hang) or (van hang)) de cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) OR (tu nano)) xa hoi. hieu qua cham xuc ((va hang) or (van hang)) de cua te*.