Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung song » nhung cong, nhung bong, nhung chong
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
song xanh » song hanh, hoang xanh, duong xanh
xanh tuan » anh tuan, manh tuan, thanh tuan
sinh cua » manh cua, dinh cuu, sinh va
tuan tai » toan tai, quan tai, tan tai
luat » luan, xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh ((((trinh han) or (trinh luat))) or (sinh cua)) nhung song xanh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((((trinh han) OR (trinh luat))) OR (sinh cua)) nhung song xanh tuan tai.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((((trinh han) or (trinh luat))) or (sinh cua)) nhung song xanh tuan tai*.