Perhaps you should try some spelling variations:
hanh thong » anh thong, hanh trong, hang thong
thong gian » khong gian, thong giao, chong gian
hoc thieu » hoc hien
gian lang » gian dan
lang cong » dang cong, bang cong, hang cong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan lap » phan dau

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 (toc thieu)) sang - hanh thong gian lang cong tan phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sang - hanh thong gian lang cong tan phan lap*".