Perhaps you should try some spelling variations:
trien nang » trien nong, trien mang, thien nang
thue nang » thien nang, thuat nang, thi nang
van thanh » ban thanh, van tuan
thanh dai » thanh hai, thanh tai, thanh dat
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
nuoc van » nuoc va, nuoc san, luoc van
te sach » toc sach
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
cua cu » cua chu, cua cau, cua su

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 ((thue nang) or (trien nang)) xa hoi. hieu ve cac nuoc van thanh dai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thue nang) OR (trien nang)) xa hoi. hieu ve cac nuoc van thanh dai cua cu.
• Adding a wildcard symbol may retrieve word variants: te sach ((thue nang) or (trien nang)) xa hoi. hieu ve cac nuoc van thanh dai cua cu*.