Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong sach » thong trach, thong cac, duong sach
doi chieu » doc hieu, doi chi, ho chieu
sach toan » hach toan, sach tranh, hoach toan
manh cua » doanh cua
toan tap » toan ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh ((manh cua) or (ban cua)) thong thong sach toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((manh cua) OR (ban cua)) thong thong sach toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((manh cua) or (ban cua)) thong thong sach toan tap*.