Perhaps you should try some spelling variations:
sach truyen » sach luyen, sach chuyen, tac truyen
truyen hoc » truyen co, truyen tho, truyen thong
hoc chuyen » khong chuyen
phan cung » phan cong, phan ung, phan xuong
cung quy » cong quy, dung quy, nhung quy
vu sach » vu bach, su sach, vu khach
bac hai » bac dai, bac tai, tac hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach truyen hoc chuyen đe ky thuat: kien thuc ((bac hai) OR (bac ha)) phan cung quy dinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach truyen hoc chuyen đe ky thuat: kien thuc ((bac hai) OR (bac ha)) phan cung quy dinh".
• Adding a wildcard symbol may retrieve word variants: vu sach truyen hoc chuyen đe ky thuat: kien thuc ((bac hai) OR (bac ha)) phan cung quy dinh*.