Perhaps you should try some spelling variations:
hanh thong » anh thong, hanh trong, hang thong
hoc thieu » toc thieu
thong van » trong van, thong va, thong quan
van nang » van quang, van ban, van dong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: ((hoc thieu) or (hoc hien)) tinh - hanh thong van nang ((cong dan) OR (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) tinh - hanh thong van nang ((cong dan) OR (cong tan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) tinh - hanh thong van nang ((cong dan) OR (cong tan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) tinh - hanh thong van nang ((cong dan) OR (cong tan)) toan tap*.