Perhaps you should try some spelling variations:
thien van » thi van
tru nang » tra nang, tri nang, truc nano
hieu van » hieu va, lieu va, hieu ve
ban hanh » ban hang
cau theo » cau thi, cau tao
te sach » toc sach
tu lang » cu lang, tu lanh, xu lang
xuc ban » duc ban, cuc ban, quoc ban
vi cau » va cau, ve cau, di cau

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 lang) or (tru nang)) xa hoi. ((hieu van) OR (thien van)) cam xuc ban hanh vi cau theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu lang) OR (tru nang)) xa hoi. ((hieu van) OR (thien van)) cam xuc ban hanh vi cau theo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tu lang) or (tru nang)) xa hoi. ((hieu van) OR (thien van)) cam xuc ban hanh vi cau theo".
• Adding a wildcard symbol may retrieve word variants: te sach ((tu lang) or (tru nang)) xa hoi. ((hieu van) OR (thien van)) cam xuc ban hanh vi cau theo*.