Perhaps you should try some spelling variations:
"su sach hanh ky thuat mo hoc" » "su sach danh ky thuat mo hoc", "su sach han ky thuat mo hoc", "su sac hanh ky thuat mo hoc", "su sach hanh ky thuat moi hoc", "su sach hanh ky thuat do hoc", "su sach hanh ky thuat o hoc", "so sach hanh ky thuat mo hoc", "vu sach hanh ky thuat mo hoc", "su sach hanh kem thuat mo hoc", "su sach hanh ky thuat mon hoc", "su sach hanh ky thuat co hoc"
"thi lanh dao ky thuat toan khoa" » "thi hanh dao ky thuat toan khoa", "thi lan dao ky thuat toan khoa", "thi anh dao ky thuat toan khoa", "thi lanh cao ky thuat toan khoa", "thi lanh dan ky thuat toan khoa", "thi lanh do ky thuat toan khoa", "thi lanh dao ky thuat tran khoa"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("su sach hanh ky thuat mo hoc") or ("thi lanh dao ky thuat toan khoa"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("su sach hanh ky thuat mo hoc") OR ("thi lanh dao ky thuat toan khoa"))*.
• Removing quotes may allow a broader search: (( su sach hanh ky thuat mo hoc ) or ( thi lanh dao ky thuat toan khoa ))*.