Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
phan lap » phan dau
moi pham » toi pham, loai pham, moi nhat
hieu moi » nhiem moi, hieu so, hieu bo
thi nang » thi cong, ki nang, thi hanh
thi hang » thi hanh, thi hong, thi thanh
tao hoi » tao khoi, tao boi, tay hoi
va phan » van phan, va phat, va phap
cua tuc » cua duc, cua tu, cua thuoc
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ((thi hang) OR (thi nang)) tao hoi. hieu moi pham duc va phan lap ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((thi hang) OR (thi nang)) tao hoi. hieu moi pham duc va phan lap ((cua te) OR (cua tuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ((thi hang) OR (thi nang)) tao hoi. hieu moi pham duc va phan lap ((cua te) or (cua tuc))".
• Adding a wildcard symbol may retrieve word variants: hoc sach ((thi hang) OR (thi nang)) tao hoi. hieu moi pham duc va phan lap ((cua te) or (cua tuc))*.