Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
van thanh » ban thanh, van tuan
tru nang » tra nang, tri nang, truc nano
ve triet » va trien, su triet
te sach » toc sach
tu nang » tu nong, tu nano, tu lang
cao suc » cao su, cao duc
suc van » su van, duc van, luc van
va cao » va cac, va co, va dao
dai ve » dap ve, dau ve, dai va

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 (tru nang)) xa hoi. lieu va cao suc van thanh dai ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tru nang)) xa hoi. lieu va cao suc van thanh dai ve triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (tru nang)) xa hoi. lieu va cao suc van thanh dai ve triet*.