Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
trinh thi » trinh tai, dinh thi, trinh tu
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tinh thi » tinh thai, dinh thi, ninh thi
than tap » han tap, phan tap, than cap
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - nhanh ((tinh thi) OR (trinh thi)) nang cong thanh ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - nhanh ((tinh thi) OR (trinh thi)) nang cong thanh ((than tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - nhanh ((tinh thi) OR (trinh thi)) nang cong thanh ((than tap) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - nhanh ((tinh thi) OR (trinh thi)) nang cong thanh ((than tap) or (toan tap))*.