Perhaps you should try some spelling variations:
chuc tin » thuc tin, thuc tien, thu tin
hoc hanh » hoc nhanh, hoc thanh, hoc anh
thoi dai » hoc dai, hoi dap, hoi dan
tin hoc » sinh hoc
cuu mon » cuu mo, cuu mot, cuu cong
ma thoi » may thoi, moi thoi, cac thoi
han va » hang va, hanh va, nhan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: chuc tin hoc tap, nghien cuu mon ((hoc dan) or (hoc hanh)) hoa hoc ma thoi dai han va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chuc tin hoc tap, nghien cuu mon ((hoc dan) OR (hoc hanh)) hoa hoc ma thoi dai han va.
• Adding a wildcard symbol may retrieve word variants: chuc tin hoc tap, nghien cuu mon ((hoc dan) or (hoc hanh)) hoa hoc ma thoi dai han va*.