Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
bien thuoc » bien thuc, trien thuoc, kien thuc
thuoc hach » thuoc sach, thuoc thanh, thuc hanh
san tranh » lan tranh, san thanh, van tranh
can tranh » canh tranh, tan tran, van ranh
hach toan » thanh toan, manh toan
toan phan » thanh phan, toan ban, hoa phan
phan cung » phan cong, phan ung, phan xuong
cung may » dung may, cong may, cung hay
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((san tranh) OR (can tranh)) hoc chuyen đe ky thuat: bien thuoc hach toan phan cung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((san tranh) OR (can tranh)) hoc chuyen đe ky thuat: bien thuoc hach toan phan cung may tinh".
• Adding a wildcard symbol may retrieve word variants: thuat ((san tranh) OR (can tranh)) hoc chuyen đe ky thuat: bien thuoc hach toan phan cung may tinh*.