Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cua trong » cua truong, cua trung, ca trong
qua trong » quan trong, qua trinh, qua song
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
san van » tan van, luan van, tran van

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 xanh - anh tang ((cua trong) or (qua trong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh tang ((cua trong) OR (qua trong)) cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - anh tang ((cua trong) or (qua trong)) cong san van ban*.