Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
hieu van » hieu va, thien van, lieu va
thanh va » hanh va, thanh ha, thanh ve
van cam » van nam, van lam, van cau
tu sach » thu sach, su sach, te sach
tu nong » tu dong, tu cong, tu tong
tu nang » tru nang, tu nano, tu lang
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((tu nang) OR (tu nong)) x hoi. hieu van cam xuc va ((thanh va) or (thanh van)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tu nang) OR (tu nong)) x hoi. hieu van cam xuc va ((thanh va) OR (thanh van)) cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tu nang) OR (tu nong)) x hoi. hieu van cam xuc va ((thanh va) or (thanh van)) cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tu nang) OR (tu nong)) x hoi. hieu van cam xuc va ((thanh va) or (thanh van)) cua tu*.